LexDanaLexDanabeta
Inventor

Takashi Hasemi

Inventor
Tokyo, JP

Overview

2→
Patents
1989–1991
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer100%
PatentTitleYear
5,027,337'Optical recording medium and tracking method therefor'19914,881,214'Data record formatting system and reading/writing system for optical recording medium'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to CSK CORP (2)· patent assignee history
1989–1991Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CSK CORP21989–1991
Locations
LocationPatentsSpan
Tokyo, JP21989–1991